Paint, Polishing: Check

Fig 1: Identifying Heating Device

Courtesy of VOLVO CARS CORPORATION

Use:  UV-light, USA: 3M 16400

If the defects cannot be removed by polishing only, follow instructions for sanding.

Perform paint job, grinding, see PAINT, SANDING 

Fig 1: Identifying Heating Device

Courtesy of VOLVO CARS CORPORATION

Use:  UV-light, USA: 3M 16400

Fig 1: Identifying Heating Device

Courtesy of VOLVO CARS CORPORATION

Use:  UV-light, USA: 3M 16400

Check that all defects are gone.

Check the surface in open sunlight if possible